require 'rails_helper'

describe User do
  subject { build(:user) }

  it "is valid" do
    expect(subject).to be_valid
  end

  describe 'use_nickname' do
    describe 'when true' do
      before { subject.use_nickname = true }

      it "activates the validation of nickname" do
        subject.nickname = nil
        expect(subject).to_not be_valid

        subject.nickname = "dredd"
        expect(subject).to be_valid
      end

      it "calculates the name using the nickname" do
        subject.nickname = "dredd"
        expect(subject.name).to eq("dredd")
      end
    end

    describe 'when false' do
      before { subject.use_nickname = false }

      it "activates the validation of first_name and last_name" do
        subject.first_name = nil
        subject.last_name = nil
        expect(subject).to_not be_valid

        subject.first_name = "Joseph"
        subject.last_name = "Dredd"
        expect(subject).to be_valid
      end

      it "calculates the name using first_name and last_name" do
        subject.first_name = "Joseph"
        subject.last_name = "Dredd"
        expect(subject.name).to eq("Joseph Dredd")
      end
    end
  end


end